North Chelmsford's Chelmsford High School is a Public School Serving students in Grades 09-12.
84.77% of students at this school are White, non-Hispanic
| Grades Offered | Grades 09-12 |
| Total Students | 1596 |
| Student:Teacher ratio | 14:1 |
| Gender % | 50.25 % Male / 49.75 % Female |
| Total Classroom Teachers | 112.43 |
| Student Population at Chelmsford High School by Grade | |
| Magnet School | |
| Charter School | |
| Shared School | |
| Title 1 Eligible | |